Raking or Harrowing Apparatus for Bacteria Beds

19,600. Hartley, J. W. Sept. 4. Drawings to Specification. Rotary and travelling-carriage apparatus.-A rake or harrow for operating upon a filter or bacteria bed is combined with a moving distributor which drags the harrow over the bed.

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Bibliographische Detailangaben
1. Verfasser:	JOHN WILLIAM HARTLEY
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	19,600. Hartley, J. W. Sept. 4. Drawings to Specification. Rotary and travelling-carriage apparatus.-A rake or harrow for operating upon a filter or bacteria bed is combined with a moving distributor which drags the harrow over the bed.